Manufacturing method for multi-material tube structures
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
F16L-009/14
F16L-009/00
출원번호
US-0953600
(2007-12-10)
등록번호
US-7475705
(2009-01-13)
발명자
/ 주소
Lindsay,Howard A
출원인 / 주소
Vyatek Sports, Inc.
대리인 / 주소
Snell & Wilmer L.L.P.
인용정보
피인용 횟수 :
3인용 특허 :
47
초록▼
The present invention provides an improved tubular structure which uses the properties of different materials, such as stiffness, strength, and density are exploited in a manner which combines the most attractive characteristics of existing metal and composite tubes into a metal/composite tube which
The present invention provides an improved tubular structure which uses the properties of different materials, such as stiffness, strength, and density are exploited in a manner which combines the most attractive characteristics of existing metal and composite tubes into a metal/composite tube which contains performance characteristics (stiffness, strength or weight) not possible with pure metal or composite materials. For example, an improved tube is suitably created with a conventional metallic tube structure (e.g., steel, aluminum, titanium or the like). The original tube is modified with a secondary operation such as machining, punching, laser cutting or the like to remove various portions of the original tube wall, resulting in a tube with some pattern of "holes" or "cutaway" sections, thus resulting in a lighter tube. The tube is then suitably "fused" with composite material. For example, in one embodiment of the present invention, the metal piece is placed in a mold assembly and composite materials are molded inside the metal tube resulting in a part metal and part composite tube that has beneficial characteristics of each material.
대표청구항▼
I claim: 1. A composite structure, comprising an outer metal portion that at least partially encloses a volume and is coupled to a composite portion that also at least partially encloses said volume such that the composite structure is substantially hollow, said outer metal portion having a surface
I claim: 1. A composite structure, comprising an outer metal portion that at least partially encloses a volume and is coupled to a composite portion that also at least partially encloses said volume such that the composite structure is substantially hollow, said outer metal portion having a surface with at least one opening therethrough, wherein said composite portion extends from within the composite structure at least partially within said opening. 2. A composite structure according to claim 1, wherein the structure is a golf shaft. 3. A composite structure according to claim 1, wherein the structure is a golf club head. 4. A composite structure according to claim 1, wherein the structure is a bicycle frame. 5. A composite structure according to claim 1, wherein the structure is a bat. 6. A composite structure according to claim 1, wherein the structure is a racquet. 7. A composite structure according to claim 1, further comprising a second opening therethrough. 8. A composite structure according to claim 7, wherein said openings have substantially the same shape. 9. A composite structure, comprising a substantially hollow metal tube connected to a composite layer, said metal tube having a surface with at least one opening therethrough, wherein said composite layer extends from within the composite structure at least partially into said opening and said composite layer at least partially encloses a volume, and wherein said composite layer is bonded to an insert. 10. A composite structure according to claim 9, wherein said insert comprises a composite material. 11. A composite structure according to claim 9, wherein the structure is a golf shaft. 12. A composite structure according to claim 9, wherein the structure is a golf club head. 13. A composite structure according to claim 9, wherein the structure is a bicycle frame. 14. A composite structure according to claim 9, wherein the structure is a bat. 15. A composite structure according to claim 9, wherein the structure is a racquet. 16. A golf club shaft, comprising: a substantially hollow frustoconical metal portion coupled to a composite portion and wherein said coupled metal and composite portions enclose a hollow volume, said metal portion having a surface with at least one radial opening therethrough, wherein said composite portion extends from within said hollow volume into said at least one opening.
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이 특허에 인용된 특허 (47)
Bos Johannes (Miami Lakes FL) Mous Frans (Drachten NLX) van Muiden Johannes G. M. (Peize NLX), Catheters with variable properties.
Lindsay Howard A. ; Mears Jeffrey A. ; Monks Robert F. ; Motoyama Steven M. ; DeLap Christopher K., High pressure hollow process for manufacturing composite structures.
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